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Sailor Piece
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Slime Boss

Slime Island boss

Sea 2 Unlock · Map Piece Drop
This boss can drop Map Piece #5 toward the Sea 2 unlock quest.
  • Random drop — expect multiple kills per piece.
  • Luck stat does not affect Map Piece drops — build for damage instead.
  • Open-world kills only — Boss Rush, Infinite Tower, and Dungeon kills do not count.
Other bosses that can drop Map #5: Aizen, Rimuru

Rimuru is a boss in Sailor Piece with 200M-3.5B HP. Defeating it can drop the Demon Lord title at a 0.9-1.35% rate with a pity counter of 150 kills.

Sea 2 Unlock · Map Piece Drop

This boss can drop Map Piece #5 toward the Sea 2 unlock quest.

  • Random drop — expect multiple kills per piece.
  • Luck does not affect Map Piece drops — build for damage instead.
  • Open-world kills only — Boss Rush, Infinite Tower, and Dungeon kills do not count.

Other bosses that can drop Map #5: Aizen, Rimuru.

Map Piece Tracker →How Map Pieces work →

Drops

Every item Rimuru can drop, linked to its full wiki page.

ItemDrop Rate
Sage Pulse13.5%-22.5%
Tempest Seal5.5%-7.5%
Slime Remnant1.75%-2.8%
Slime Wings1.25%-2%
Slime Core0.55%-0.8%

Title Drop

The Demon Lord title drops at 0.9-1.35% with a guaranteed pity at 150 kills.

What These Drops Are Used For

  • Materials for the Rimuru sword

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